Kaisai KHY-12PY3 User Manual
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Kaisai KHY-12PY3 User Manual

Heat pump air-to-water r290
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KHY-12PY3
KHY-15PY3
USER MANUAL
EN
HEAT PUMP AIR-TO-WATER R290

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Summary of Contents for Kaisai KHY-12PY3

  • Page 1 KHY-12PY3 KHY-15PY3 USER MANUAL HEAT PUMP AIR-TO-WATER R290...
  • Page 3 To ensure proper operation, please read the manual and keep it for future reference. W przypadku zagubienia instrukcji obsługi, skontaktuj się z lokalnym dystrybutorem lub odwiedź stronę www.kaisai.com lub prześlij wiadomość email na adres: handlowy@kaisai.com, w celu uzyskania wersji elektronicznej instrukcji.

  • Page 4: Table Of Contents

    Contents 1. Introduction ....................5 2. Safety instructions..................6 3. Features of the device ..................8 4. Functions ......................9 4.1. Advanced control ..............................9 4.2. Modern design .................................9 4.3. Easy installation ...............................9 4.4. Quiet operation ................................9 4.5. High heat exchange coefficient ...........................9 4.6.

  • Page 5: Introduction

    1. Introduction To ensure high quality and reliability for our customers, this heat pump is manufactured accord- ing to strict design and production standards. This manual contains all the necessary information regarding maintenance. Please read this manual carefully before opening or performing mainte- nance on the device.

  • Page 6: Safety Instructions

    2. Safety instructions To protect users and service personnel from injuries, prevent damage to the equipment or other property, and ensure proper operation of the heat pump, it is essential to carefully read and thor- oughly understand the information provided in this instruction manual. It is forbidden to use the device incompatibly with its intended purpose.
  • Page 7 Warning Operation Meaning Do not insert fingers or other objects into the fan and evaporator of the device; otherwise, damage may occur. Prohibition In case of unusual operation or odors, disconnect the power to stop the device. Continuing operation may result in electrical short-circuits or fire.

  • Page 8: Features Of The Device

    Caution Installation Meaning The device must not be installed near flammable gas. In case of a gas leak, it may cause a fire. Installation Location Ensure that the heat pump substructure is strong enough to prevent tipping or device falling. Repair of the device Ensure that the device is equipped with an automatic power switch;...

  • Page 9: Functions

    • A new generation of environmentally friendly refrigerant R290 has been used, which is harmless to the ozone layer. • Heating in low outdoor temperatures: With a well-optimized installation, the device is designed to perform optimal heating even in low temperatures. •...

  • Page 10: Maintenance

    5. Maintenance Before the initial device startup or after a prolonged pause, the following preparations should be performed 1. Thoroughly inspect and clean the device 2. Clean the water system – mesh filter. 3. Check the water pump, regulating valve, and other water system components 4.

  • Page 11: Product Cleaning

    6.2. Product Cleaning • Do not clean the product with a high-pressure washer or direct water stream • Clean the product with water and a cleaning agent • Do not use abrasive cleaning agents. Do not use solvents. Do not use cleaning agents containing chlorine or ammonia.

  • Page 12: Precautions

    8. Precautions 8.1. Before Installation Check the model name and serial number of the unit. It is required to read the installation manual and technical documentation. 8.2. Handling and Transportation Due to the relatively large dimensions and weight of the unit, it can only be moved using lifting equipment with slings.
  • Page 13 Marking Key Functions Power On/Off Button: When the button is displayed in blue, it indicates the power-on state. Upon touching, it will change color to white and switch to the power-off state Screen Lock Button: You can perform various operations on the display when the lock is open, but you cannot operate the display when the lock is closed.
  • Page 14 Marking Key Functions Operating Mode Icon indicating that the device is currently operating in the cooling mode. Operating Mode Icon indicating that the device is currently operating in the cooling + hot water mode. Operating Mode Icon indicating that the device is currently operating in the hot water mode.
  • Page 15 9.1.2. Mode Selection Interface Marking Key functions Mode selection element, which will be highlighted after se- DHW+Heating lection, indicating that the currently set mode is domestic hot water (DHW)+heating. Mode selection position, which will be highlighted after selec- Heating tion, indicating that the currently set mode is heating Mode selection position, which will be highlighted after selec- Cooling tion, indicating that the currently set mode is cooling...
  • Page 16 Mode selection operation: Click the “Mode selection button” on the main interface to enter the “Mode selection interface,” and then slide the “Mode selection element” to highlight the selected mode. Press the “Confirm” button to save and confirm, thus completing the mode selection operation. If you press the “Back” button, the system will return to the main interface without saving the settings.
  • Page 17 Marking Key functions System brightness button: Allows adjusting the display brightness. Error display function button: Enables displaying information about faults or errors. Quick heating function button: This button allows for rapid heating with a single touch. The icon is displayed only when R35≠0. Programmer for mode, temperature, and Smart Grid power: This fea- ture allows you to set schedules for different modes, desired tempera- tures, and power levels based on the Smart Grid signal.
  • Page 18 Marking Key functions Customer Parameter Button: Tap to enter the “Customer Parameter Interface,” which displays the parameters that can be configured. Manual Defrost Button: Tap to enter the manual defrost function. Ambient Temperature Compensation Curve Setting Button: Tap to enter the ambient temperature compensation curve setting interface. Unit Status Button: Tap to enter the “Device Status Interface,”...

  • Page 19: The Functions Of The Domestic Hot Water (Dhw)

    Marking Key functions System Time Setting Button: Allows you to set the system time. Mute Timer Button: When the device has a mute function, this button allows you to enable time-based control for that function. Power On/Off Timer Button: This button enables time-based control for turning the device’s power on/off.
  • Page 20 0 – Charging pump for domestic hot water tank. Pump used in the case of an additional heat ex- changer between the unit and the DHW tank, separating the circuits. 1– Circulation pump for domestic hot water - After turning on the tap with hot water in the bath- room or kitchen sink, the user expects immediate delivery of hot water.

  • Page 21: Way Cooling Valve

    11. 3-way cooling valve Use the RO12 port as the output port for the 3-way cooling valve Logic: In heating or hot water mode, OFF signal is sent. In cooling mode, ON signal is sent 12. SG Ready 12.1. Schematic of the mainboard 12.2.

  • Page 22: Smart Grid Ready=2

    Displays the current status Illustration serving as an explanation Caution: SG-1 is the emergency switch port, and SG-2 is the port for connecting the PV (Photovoltaic). In normal mode, enabling the electric heater is not allowed. 12.3. Smart Grid Ready=2 Utilization of two potential-free contacts: SG-1 SG-2...
  • Page 23 Displays the current status. Illustration serving as an explanation. 1. MODE 1: Solar Sleep Mode Only works when the heat pump is on, during sleep mode, the heat pump is in standby mode(the action is the same as the unit turns off after reaching the target temperature), the anti-freeze pro- tection function can still work at this time.
  • Page 24 When the heat pump enters MODE1 for a period time(This time is controlled by a parameter[SG02], the default is 120min, the maximum is 120min.), the unit forced to exit the MODE1, enter the Normal mode and works in the setting mode(heating, hot water, etc.) until the unit turns off automatically. When the heat pump enters the sleep mode, the anti-freeze protection is still effective in order to prevent the pipes and units getting frozen due to the low ambient temperature.
  • Page 25 4. MODE 4: Solar High Mode Only works when the heat pump is on. The heat pump enters the solar high mode, the main screen of the display shows solar high mode. 1. In heating mode: The operating target temperature = The setting target temperature + parameter [SG06] 2.

  • Page 26: Parameters

    2. The interval time for mode switching: When the mode needs to be switched, the heat pump must run in the current mode for at least 10 minutes before switching to another mode. Mode information on the display 12.4. Parameters 12.4.1.
  • Page 27 12.4.2. Parameter screen • Press „Parameter” • Enter password: „22” • Enter the parameter setting screen...
  • Page 28 12.4.3. Mode, temperature, and power programmer • Press „Smart Grid” • Press „Mode&Temp.&Power Timer” • The screen of the mode, temperature, and power programmer will be displayed...
  • Page 29 Enable the timer Set timed date Set timer time Set target mode If you don’t need to control mode, please choose disabled Set target temperature Set power limitation If you don’t need to limite the power, please set “Max. Power” to 0 Click to enter the function introduction •...

  • Page 30: Add Multi-Zone Control Function

    12.4.4. Configuration of the timer function for on/off times. The Timer function for on/off times and warm water circulation control allows you to program the operating time of the device and the circulator pump itself. The control panel enables you to set up to 6 time intervals and select the days of the week during which the functions should operate.

  • Page 32: Zone Control

    13.2. Zone control 13.2.1. Disabling zone control If parameter Z01=None(0), the zone control function is inactive. During this time, the zone control function will not be visible. Click the Target option to enter the target temperature configuration interface. Cooling mode: Cooling Mode + Domestic Hot Water Preparation Mode:...
  • Page 33 Heating Mode: 13.2.2. Enabling Zone Control If parameter Z01 ≠ 0, the Zone Control function is active. Then, instead of the target heating temperature, the multi-zone control screen will be displayed as in the example below. Heating Mode + Domestic Hot Water Preparation Mode:...
  • Page 34 13.2.3. The Zone Control Interface: Click „ ” to access the Zone Control Interface: When Z16=0(Disable weather compensation curve in zone 1), display Z06 (Target outlet temperature in zone 1); When Z16=1(Enable weather compensation curve in zone 1), display target outlet water temperature after compensation.
  • Page 35 Display inlet water temperature T01, when the water temperature sensor has fault, display -.- °C/°F. When H25=buffer tank control, display buffer tank temperature T07, when the water temperature sensor has fault, display -.- °C/°F; When H25≠buffer tank control, display --- °C/°F, and Buffer will become “Not used”. Display Tank temperature T08, when the water temperature sensor has fault, display -.- °C/°F.

  • Page 36: Various Zone Options

    13.3. Various Zone Options 13.3.1 Activation of Zone 1 and Zone 2 After setting Z01=0 in the list of parameters for zone control on the interface of this function, the following screen will be displayed: 13.3.2. Activating Zone 1 Setting Z01=1/4/7 means that Zone 2 is inactive. Only Zone 1 is active.
  • Page 37 13.3.3. Activation of Zone 2 Setting Z01=2/5/8 means that Zone 1 is inactive. Only Zone 2 is active. The status of Zone 1 will be displayed as “Not used 13.3.4. Activation of Zone 1 and Zone 2 Setting Z01=3/6/9 means that both Zone 1 and Zone 2 are active. Below is the screen displaying both active zones.

  • Page 38: Setting The Target Temperature For Zone 1

    13.4. Setting the target temperature for Zone 1: 13.4.1 Activating the temperature curve: 1) Click „ ”to enter the target temperature for zone 1.. Here you can set the water outlet temperature for zone 1, the target room temperature for zone 1, and the temperature compensation value for zone 1. 2) Click on the “Zone 1 AT-WT Compensation”...
  • Page 39 Description of individual screen elements: Click to return to the previous interface. Target temperature at an outside temperature of 0°C (0~85). Slope of the temperature curve (0~3.5). Button for activating temperature compensation. Note: 1 – Temperature shift is the reference temperature value. The setpoint temperature value will be automatically adjusted.

  • Page 40: Setting The Target Temperature For Zone 2

    13.5. Setting the Target Temperature for Zone 2 13.5.1 Activating Temperature Curve 1) Click „ ” to enter the target temperature for Zone 2. Here you can set the water outlet temperature for Zone 2, the target room temperature for Zone 2, and the temperature compensation value for Zone 2.
  • Page 41 Description of individual screen elements: Click to return to the previous interface. Target temperature at an outside temperature of 0°C (0~85). Slope of the temperature curve (0~3.5). Button to activate temperature compensation. Note: 1 – Temperature offset is a reference temperature value. 2 –...

  • Page 42: Setting Temperature For Zone Control In Cooling Mode

    13.6. Setting temperature for zone control in cooling mode. If Z01≠0 and the set mode is cooling / cooling + hot water preparation, click , to access the target temperature configuration interface: 13.7. Zone Control Function Parameters 13.7.1 Navigating to the list of parameters 1.

  • Page 43: Parameters

    3. The list of parameters for the zone control function will be displayed. 13.7.2. Degrees of the mixing valve In heating mode: The device will adjust the degrees of the mixing valve automatically. There is no need to set them manually.
  • Page 44 Code Parameter Range Target room temperature for Zone 2 10-35 °C Temperature difference for Zone 2 to start working 0-10 °C Target WT at the outlet for Zone 1. R10-R11 °C Target RT for Zone 2 10-35 °C Temperature difference for zone 2 to start operation. 0-10 °C Target WT at the outlet for zone 1.

  • Page 45: Muting

    14. Muting The mute function affects the device’s operation by reducing the heat pump’s power (fan speed) and providing quieter operation. You can set the activation and deactivation times for the func- tion, and also adjust the buttons below the set times to enable/disable the function. 15.

  • Page 46: Failure

    16. Failure Clicking the “Failure” icon will open a list of error history as shown below. Only a qualified and authorized installer or service technician can service the device. To do so, please contact the distributor or manufacturer.
  • Page 47 Notes Thank you for choosing our product. For more information, please visit our website: https://kaisai.com/...
  • Page 48 kaisai.com...

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